MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to compromised WordPress sites and disposable domains, suggesting it's designed to lure users to malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports its role as a link farm for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://smidgel.ru/uplcv?utm_term=transfusion+sanguinea+cuidados+de+enfermeria+pdf PDF link annotation
- http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jokanofawoso.pdfIn PDF document text
- https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/1ff4818fc3bb8f180411c565e7971b17/20111956743.pdfIn PDF document text
- https://thokhoavietnam.com/upload/files/72675663280.pdfIn PDF document text
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1609210250a278---guwusafisos.pdfIn PDF document text
- http://anandamsanyal.com/userfiles/file/7644600484.pdfIn PDF document text
- https://cmflower-kkc.com/ckfinder/userfiles/files/misekar.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16073df0f25c75---47082534254.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca98335c1e---noperokurenotonufilawo.pdfIn PDF document text
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ac3c2a9f69---51993536957.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079a30506b13---sedonumevomakopekibosulok.pdfIn PDF document text
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/950745944c5ec56e821a3fcb7572c627/wobexi.pdfIn PDF document text
- http://thcsnguyenvanhuyen.hoaiduc.edu.vn/ckfinder/userfiles/files/soxesesinugevag.pdfIn PDF document text
- http://mobydick-band.de/fckdata/file/timonaxun.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cbf8343917e---bamavop.pdfIn PDF document text
- http://zangerlelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/42357614548.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607280818cb3c---77700874263.pdfIn PDF document text
- https://amoslodge10.org/ckfinder/userfiles/files/volokulu.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16124cdbc4b697---rewovezunegemob.pdfIn PDF document text
- https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/1d418225b0e031396b980188d1dafcf4/kufisaxipixi.pdfIn PDF document text
- http://airconbank.com/upload/fckeditor/file/mivowuri.pdfIn PDF document text
- http://ardechetendancebrut.fr/userfiles/ardechetendancebrut.fr/file/tidujiwakixizuvab.pdfIn PDF document text
- http://hncastlecable.com/d/files/86828221449.pdfIn PDF document text
- http://zdravi-kromeriz.cz/files/file/23083107329.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/ab46e61e8b766cfbb9d313c906f850b7/66751858296.pdfIn PDF document text
- https://amursvoidom.ru/media/files/43117579741.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bed3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBED3 | 10880 bytes |
SHA-256: 259ab8c6c29c82a839b2d815f367cb869b9c7e74f71d211be3d7cde9b9aefe81 |
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font_01_sfnt_off0000d7bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7BF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000efd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFD1 | 16428 bytes |
SHA-256: a5332813aae85ed06840993658cc222653c344e45ea456a28c5f0dc432108623 |
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